Usage: 3 forms in 6 verses
Form Translated As     In Verse(s)
διώρυγοσ aqueduct LXX.Isa.27.12
διώρυγεσ aqueducts LXX.Isa.19.6LXX.Isa.33.21
διώρυγασ aqueducts LXX.Exod.8.5LXX.Jer.31.9
their aqueducts LXX.Exod.7.19

Liddell-Scott-Jones

διῶρυξ (diōrux) an aqueduct G:N-F

διῶρυξ, ῠχος

(sometimes in Papyrus, [Refs 1st c.BC+]; later Gr. more frequently ῠγος [Refs 3rd c.BC+]:— trench, conduit, canal, [Refs 5th c.BC+]; κρυπτὴ δ. an underground passage, [Refs 5th c.BC+]; = fossa, [Refs 1st c.AD+]